Plano-Convex Lens, N-SF11, 25.4 mm Diameter, 25.4 mm EFL, Uncoated

  • Lens Shape
    Plano-Convex
  • Diameter
    25.4 mm
  • Lens Material
    N-SF11
  • Antireflection Coating
    Uncoated
  • Surface Quality
    40-20 scratch-dig
  • Surface Accuracy, Irregularity
    λ/4
  • F/#
    1
  • Effective Focal Length (EFL)
    25.4 mm
  • Back Focal Length (BFL)
    21.48 mm
  • Radius of Curvature (R)
    19.93 mm
  • Edge Thickness (Te)
    2.43 mm
  • Center Thickness (Tc)
    7 mm
  • Design Wavelength
    587.6 nm
  • Centration
    <1 arcminute
  • Focal Length Tolerance
    ±1 %
  • Diameter Tolerance
    +0.0/-0.025 mm
  • Center Thickness Tolerance
    ±0.1 mm
  • Clear Aperture
    24.4 mm